add LinearAlgebraExt #240

Job	Run time
Julia 1.0 - ubuntu-latest - x64	52s
Julia 1.0 - macOS-latest - x64	54s
Julia 1.0 - windows-latest - x64	53s
Julia 1.3 - ubuntu-latest - x64	55s
Julia 1.3 - macOS-latest - x64	55s
Julia 1.3 - windows-latest - x64	1s
Julia 1.5 - ubuntu-latest - x64	7s
Julia 1.5 - macOS-latest - x64	31s
Julia 1.5 - windows-latest - x64	1s
Julia 1.6 - ubuntu-latest - x64	1s
Julia 1.6 - macOS-latest - x64	24s
Julia 1.6 - windows-latest - x64	1s
Julia 1.7 - ubuntu-latest - x64	1s
Julia 1.7 - macOS-latest - x64	1s
Julia 1.7 - windows-latest - x64	1s
Julia 1 - ubuntu-latest - x64	1s
Julia 1 - macOS-latest - x64	1s
Julia 1 - windows-latest - x64	1s
Julia nightly - ubuntu-latest - x64	1s
Julia nightly - macOS-latest - x64	1s
Julia nightly - windows-latest - x64	1s
	5m 44s

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